# Hey Emacs, this is a -*- makefile -*-
#
#   Copyright (C) 2009 Antoine Drouin
#
# This file is part of paparazzi.
#
# paparazzi is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
#
# paparazzi is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with paparazzi; see the file COPYING.  If not, write to
# the Free Software Foundation, 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
#

# Define programs and commands.
CC		= gcc
LD		= $(CC)

# Launch with "make Q=''" to get full command display
Q=@

OPT ?= 3
CSTANDARD = -std=gnu99
CINCS = $(INCLUDES) -I$(PAPARAZZI_SRC)/sw/include

# Compiler flags.
CFLAGS += $(CINCS)
CFLAGS += -O$(OPT)
# CFLAGS += -malignment-traps
CFLAGS += -Wall -Wcast-qual -Wimplicit -Wcast-align
CFLAGS += -Wpointer-arith -Wswitch
CFLAGS += -Wredundant-decls -Wreturn-type -Wshadow -Wunused
CFLAGS += -Wa,-adhlns=$(OBJDIR)/$(notdir $(subst $(suffix $<),.lst,$<))
CFLAGS += $(patsubst %,-I%,$(EXTRAINCDIRS))
CFLAGS += -mtune=geode # optimize for geode

# flags only for C
CFLAGS + = -Wstrict-prototypes -Wmissing-declarations
CFLAGS += -Wmissing-prototypes -Wnested-externs
CFLAGS += $(CSTANDARD)
CFLAGS += $($(TARGET).CFLAGS) $(LOCAL_CFLAGS)

#Additional libraries.
MATH_LIB = -lm

LDFLAGS = $(MATH_LIB)

SRCGEODE  = $($(TARGET).srcs)
COBJGEODE = $(SRCGEODE:%.c=$(OBJDIR)/%.o)

all: build

build: $(OBJDIR) elf

$(OBJDIR):
	@echo CREATING object dir $(OBJDIR)
	@test -d $(OBJDIR) || mkdir -p $(OBJDIR)

elf: $(OBJDIR)/$(TARGET).elf

# Program the device.
load upload program: $(OBJDIR)/$(TARGET).elf
	scp $(OBJDIR)/$(TARGET).elf $(USER)@$(HOST):$(TARGET_DIR)

# Link: create ELF output file from object files.
.SECONDARY : $(OBJDIR)/$(TARGET).elf
.PRECIOUS :   $(COBJGEODE)
%.elf:   $(COBJGEODE)
	@echo LD $@
	$(Q)$(CC) $(CFLAGS) $(COBJGEODE)  --output $@ $(LDFLAGS) $($(TARGET).LDFLAGS)

# Compile: create object files from C source files. ARM-only
$(OBJDIR)/%.o : %.c $(OBJDIR)/../Makefile.ac
	@echo CC $@
	$(Q)test -d $(dir $@) || mkdir -p $(dir $@)
	$(Q)$(CC) -MMD -c $(CFLAGS) $< -o $@

# Listing of phony targets.
.PHONY : all build elf clean clean_list

#
# Dependencies
#

DEPS = $(addprefix $(OBJDIR)/,$($(TARGET).srcs:.c=.d))

ifneq ($(MAKECMDGOALS),clean)
-include $(DEPS)
endif
